Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |  |  | ||||
| itemid | BIGINT | 19 | √ | null |  | 
 | if set, this points to existing grade_items id | |||
| newgradeitem | BIGINT | 19 | √ | null |  | 
 | if set, points to the id of grade_import_newitem | |||
| userid | BIGINT | 19 | null |  | 
 | |||||
| finalgrade | DECIMAL | 10,5 | √ | null |  |  | raw grade value | |||
| feedback | LONGTEXT | 2147483647 | √ | null |  |  | ||||
| importcode | BIGINT | 19 | null |  |  | similar to backup_code, a unique batch code for identifying one batch of imports | ||||
| importer | BIGINT | 19 | √ | null |  | 
 | ||||
| importonlyfeedback | BIT | 1 | √ | 0 |  |  | 
Indexes
| Constraint Name | Type | Sort | Column(s) | 
|---|---|---|---|
| PRIMARY | Primary key | Asc | id | 
| gradimpovalu_imp4_ix | Performance | Asc | importer | 
| gradimpovalu_ite4_ix | Performance | Asc | itemid | 
| gradimpovalu_new4_ix | Performance | Asc | newgradeitem | 



